HD 12-A mk5 active speaker boosts performance with a high-power professional 12 "woofer and a 1.4" HF driver, a 1400W 2ch Class-D amplifier, and innovative FiRPHASE and Bass Motion Control processing. Vocals are natural, the sound is clear at long distances, SPL power is stable at very high levels. The strength of HD series speakers comes from decades of experience building gear for the touring industry, equipping this compact cabinet with power and reliability expected for life on the road. Elegantly designed, the lightweight polypropylene cabinet with internal reinforcement offers maximum strength. The speaker also includes a steel pole mount, threaded inserts for rigging, and rubber handgrips. D-LINE offers working DJs and musicians professional sound designed with music in mind.